JLab JBuds J4 Heavy Bass Metal In-Ear Earbuds with Travel Case Extra rugged build with aluminum housing, flexible exoskeleton armor on all components, and kevlar reinforced tangle free flat cable. Rich, dynamic soundstage with crystal clear highs, deep, full mids, and tight, punchy bass Includes 7 sizes of soft silicone ear buds for a super comfortable, noise isolating fit, and a rugged travel case. Works with every iPod, iTouch, iPhone 3G/4G, Kindle, iPad, mp3 player, CD, portable DVD, PSP, Nintendo DS, and Laptop. Also available as J4M with mic for iPhone 3G/4G, Blackberry, HTC, Android, and other smart phones. Gold plated 3.5 mm audio jack for premium, no-loss sound connection to your audio device.